666536062043 has 8 divisors (see below), whose sum is σ = 683091689280. Its totient is φ = 649994656320.

The previous prime is 666536061943. The next prime is 666536062091. The reversal of 666536062043 is 340260635666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 666536062043 - 2¹⁰ = 666536061019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (666536064043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3460448 + ... + 3647981.

It is an arithmetic number, because the mean of its divisors is an integer number (85386461160).

Almost surely, 2^666536062043 is an apocalyptic number.

666536062043 is a deficient number, since it is larger than the sum of its proper divisors (16555627237).

666536062043 is a wasteful number, since it uses less digits than its factorization.

666536062043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110757.

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 666536062043 in words is "six hundred sixty-six billion, five hundred thirty-six million, sixty-two thousand, forty-three".